Niwa Nagashige, the eldest son of the loyal general Niwa Nagahide under Oda Nobunaga, entered the realm of warfare at the tender age of 12. His initial taste of battle occurred alongside his father during the confrontation against Shibata Katsuie under Toyotomi Hideyoshi at the Battle of Shizugatake. In the following year, at the age of 13, Nagashige stepped into the shoes of his ailing father and led the Niwa army at the Battle of Komaki-Nagakute.
Tragedy struck at the age of 14 when Niwa Nagashige found himself thrust into the position of the head of the Niwa clan and in charge of his father's extensive 1,230,000 koku estates following Nagahide's passing. While Nagashige's father was wed to an adopted daughter of their master, Oda Nobunaga, Nagashige's union was with Ho-onin, the actual 5th daughter of Nobunaga.
The shifting tides of power and alliances brought challenges to Nagashige's legacy. Accused of treachery during the 1585 attacks on the Toyama region, Toyotomi Hideyoshi demoted Nagashige from 1,230,000 koku to a mere 150,000 koku. Further setbacks occurred two years later during the Kyushu subjugation, with Nagashige's income reduced to a meager 40,000 koku. However, his valor at the Siege of Odawara led Hideyoshi to restore his fortunes, elevating his income to 120,000 koku.
Remaining loyal to the Toyotomi clan, Nagashige aligned himself with the Western forces under Ishida Mitsunari at the Battle of Sekigahara. This alliance resulted in the loss of his daimyo status and possessions. Recognizing Nagashige's value, Tokugawa Ieyasu granted him 10,000 koku and land at Futsuto in present-day Ibaragi Prefecture in 1603. The Niwa family name was fully reinstated after Nagashige's exemplary service in the Battles of Osaka in 1614 and 1615, where he fought under Tokugawa colors. He received lands at Edosaki along with 20,000 koku, followed by an increase to 50,000 koku and the Tanakura (Fukushima) Domain in 1622. In 1627, he was transferred to Shirakawa in modern-day Fukushima Prefecture, earning 100,700 koku. During his tenure, he expanded and reconstructed Komine Castle.
Niwa Nagashige breathed his last on April 30, 1637, just shy of his 66th birthday. His final resting place is at the Enmei-ji Temple in Shirakawa, Fukushima Prefecture, a testament to his enduring legacy in Japanese history.
See also
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Torii Mototada
Torii Mototada (1539 – September 8, 1600) was a Japanese samurai and daimyo who lived through the Sengoku and late Azuchi–Momoyama periods. A loyal retainer of Tokugawa Ieyasu, he is best remembered for his heroic last stand at the Siege of Fushimi, an event that played a crucial role in shaping Japanese history.
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Toyotomi Hideyori
Toyotomi Hideyori (August 28, 1593 – June 4, 1615) was the son and designated successor of Toyotomi Hideyoshi, the general who first unified Japan. His mother, Yodo-dono, was Oda Nobunaga's niece.
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Okubo Tadanori
Okubo Tadanori (January 13, 1842 – August 10, 1897) was the 9th daimyo of Odawara Domain in Sagami Province (modern-day Kanagawa Prefecture) during the late Edo period. Before the Meiji Restoration, he held the courtesy title of Kaga no Kami.
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Okubo Tadayo
Okubo Tadayo (1532 – October 28, 1594) was a samurai general who served Tokugawa Ieyasu during the Azuchi–Momoyama period and later became the daimyo of Odawara Domain in the early Edo period.
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Araki Murashige
Araki Murashige (1535 – June 20, 1586) was a samurai and retainer of Ikeda Katsumasa, the head of the powerful Settsu-Ikeda clan in Settsu Province. Initially serving under Katsumasa, he aligned himself with Oda Nobunaga after Nobunaga’s successful campaign to establish control over Kyoto.
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Yuki Hideyasu
Yuki Hideyasu (March 1, 1574 – June 2, 1607) was a Japanese samurai who lived during the Azuchi–Momoyama and early Edo periods, serving as the daimyō of Fukui Domain in Echizen Province. Born Tokugawa Ogimaru, he was the second son of Tokugawa Ieyasu and Lady Oman (also known as Lady Kogō), a handmaiden to Ieyasu’s wife, Lady Tsukiyama. Due to Ieyasu’s fears of his wife’s reaction to Oman’s pregnancy, Ogimaru and his twin brother were born in secrecy at the home of Honda Shigetsugu, one of Ieyasu’s retainers. Oman’s other son eventually became a priest, while Ogimaru was raised apart from Ieyasu, whom he only met at the age of three, in a meeting arranged by his older half-brother, Matsudaira Nobuyasu.
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Tsutsui Sadatsugu
Tsutsui Sadatsugu (June 6, 1562 – April 2, 1615) was a prominent figure in the Sengoku and early Edo periods, known as the cousin and adopted heir of Tsutsui Junkei, the feudal lord of Yamato Province. Following Junkei's death in 1584, Toyotomi Hideyoshi relocated Sadatsugu to Iga Province, where he oversaw the construction of Iga Ueno Castle, marking the height of his prominence.
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Matsudaira Kiyoyasu
Matsudaira Kiyoyasu (September 28, 1511 – November 29, 1535) served as the 7th lord of the Matsudaira clan during Japan's tumultuous Sengoku period. Renowned as the paternal grandfather of Tokugawa Ieyasu, one of Japan's "great unifiers," Kiyoyasu expanded his clan’s influence, bringing all of northern Mikawa Province under his control after subduing the Saigo clan. His power was further symbolized by the construction of Okazaki Castle, a testament to the Matsudaira’s growing dominance.
